Effect of gibberellin sprays on fruit set of Washington Navel orange trees
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منابع مشابه
Mixed infection of CTV and HSVd in yellow corky vein disease of Washington navel orange trees
Abstract Hop stunt viroid (HSVd) and Citrus tristeza virus (CTV) are the causal agents of most important diseases of citrus. Previously we reported a novel variant of HSVd that constantly associated with the yellow corky vein disease. Here, 19 individual citrus leaves with yellow corky vein symptoms were sampled for CTV by ELISA. In this study, most symptomatic samples were found to be inf...
متن کاملmixed infection of ctv and hsvd in yellow corky vein disease of washington navel orange trees
abstract hop stunt viroid (hsvd) and citrus tristeza virus (ctv) are the causal agents of most important diseases of citrus. previously we reported a novel variant of hsvd that constantly associated with the yellow corky vein disease. here, 19 individual citrus leaves with yellow corky vein symptoms were sampled for ctv by elisa. in this study, most symptomatic samples were found to be infected...
متن کاملeffect of oral presentation on development of l2 learners grammar
this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
15 صفحه اولRelationship between Chlorophyll Content and Canopy Reflectance in Washington Navel Orange Trees (citrus Sinensis (l.) Osbeck)
Understanding the spectral features of Washington navel trees is important to remotely measure and monitor the canopy properties and biochemical changes in plantations. Satellite and ground based passive remote sensing techniques have been widely used in many plant species. However, the use of these techniques in orange trees is limited. In this study, relationships between total chlorophyll (C...
متن کاملSeasonal changes in nutrient concentrations of navel orange fruit
Concentrations of the macronutrients (K, Ca, Mg, Na, P and S) and micronutrients (Fe, B, Zn, Mn and Cu) in whole fruit, pulp, rind and albedo of fruit from young and mature 'Bellamy' navel orange trees were measured at fortnightly intervals during fruit development. The general order of abundance of the macronutrients were K > Ca > Mg P > S > Na and the abundance of the micronutrients followe...
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ژورنال
عنوان ژورنال: Hilgardia
سال: 1965
ISSN: 0073-2230
DOI: 10.3733/hilg.v36n06p297